How to Keep Indoor Plants Alive in Winter

Winter is hard on indoor plants. The days are shorter. The light is weaker. The heating dries out the air. And most tropical plants, the ones filling your shelves and corners, evolved near the equator. They didn't sign up for this.

The good news: a few simple changes make a big difference.

Black grow light on a wooden shelf with a plant and white container in a dimly lit room.

Move Plants Closer to Windows

Natural light drops significantly in winter. A plant that was fine in summer may now be too far from its light source. Move it closer to the nearest window. Even a metre can matter.

North-facing windows get the most light in the southern hemisphere. If you have one, use it.

Water Less

Plants slow down in winter. They're not growing as fast, so they're not drinking as fast. Overwatering in winter is one of the most common causes of root rot.

Check the soil before you water. If it's still damp, wait. Most plants only need watering every 10-14 days in winter.

Stop Fertilising

Fertiliser encourages growth. In winter, your plant isn't trying to grow. It's trying to survive. Feeding it now is counterproductive. Pause fertilising from June through August and resume in spring.

Watch the Temperature

Most tropical houseplants struggle below 15°C. Keep them away from cold windows, draughty doorways, and air conditioning vents. Consistency matters more than warmth. Plants don't like sudden temperature swings.

Add a Grow Light

This is the single biggest change you can make in winter.

A good grow light replaces what the sun isn't providing. Run ori for 12-16 hours a day using the built-in timer. Set it once and forget it. Your plants get consistent, full-spectrum light regardless of the weather outside. Growth slows less. Leaves stay healthy. You stop losing plants to a problem that's easy to solve.

At 15W it costs very little to run. At 540mm tall it fits on a shelf, a desk, or staked directly into a pot. One light. One switch. One less thing to worry about this winter.

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